Box opener



Jan. 29, 1929. 1,700,682

- L. KURPIEL BOX OPENER Filed Feb. 17, 1927 A. Ka a/ Patented Jan. 29, 1929.

LAnIs AUs xunrrIiL, on PRAGUE, GZECHOSVLOVAKIA.

130x OPENER.

Application filed February 17, 1927, seria no.

This invention relates to a box opener and Consists essentially in a plate or disc rotatably supported on the box and engaging with its edge between the rim of the box and the rim of the lid, the plate being provided with pressed out eccentric ribs, which bear against the edge of the lid when the plate is rotated,

and thereby raise the lid.

. In the accompanying drawings one con structional example of the box opener is 111113:

trated, e 7 g I Figure 1 being a front elevation thereof, Figure 2a plan, and p p a Figure 3 a side elevation.

i5 The box 1 is closed in the usual'manner by a'slip-on lid 2. On a pin?) on the box 1 is rotatably mounted a plate 4, on the, edge of p Y which projecting teeth5 are arranged, which A are suitably bent back so as to lie in recesses 7 l Z in the cylindrical surface of the box 1. When the box is closed the teeth are located under the edge of the lid 2, so that as the plate 4: is rotated, the latter moves between the rims of the box and the lid.

, raised.

1 9,626, and in Czechoslovakia March 10, 1926.

l The circumferential bead 6 on the box lim'. t ng the slipp ng-on of the lid is interrupted in the. neighbourhood of the plate.-

On each side of the pivot 3 is' pressed out i or" the plate an eccentric ribf8, which slides on the edge or" therim. of the lid when the plate 4 is rotated. By this means the lid is Whatlclaim is 5- 7 I A box opener vcomprising a plate rotatably,

mounted upon the neckior" a box, eccentric ribs pressedo'ut of thesaid plate and leaving the reach of the seam ofthe box for the recep-y.

tion of the backWardly -benttooth-like points, 7

as and :for the purpose-set forth. I

In testimony whereof l-have signedmyl name to thisspecifica-tion,

LAnIsLA s KURPIELJ. V

narrow projecting edgesof thevplatefthese latter edges terminating-intooth-like points bent backwards, and recesses provided near 

